The upper (and higher) are turbo clocks,
the lower ones are the standard non turbo clock.
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AMD Publishes Open-Source Linux HSA Kernel Driver
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There are some published specs - click on "specs" tab at :
Doesn't seem to say whether clock freqs are turbo or not, but from the numbers I imagine they are. The A10-7800 and A8-7600 are both there, guessing that fabbed parts yielded more A10-7800s than A8-7600s.
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When Kaveri (Desktop) was first presented in January, A8-7600 was amongst the models presented, though only the two flavors of A10 came to market until now. But they prsented Specs for A8-7600 when running as default 65W config, as well as for the 45W configuralble TDP, see the first slide here.
The numbers are for 65 / 45 Watts:
Default CPU freq: 3.3 / 3.1 GHz
Max Turbo Core: 3.8 / 3.3 GHz
GPU Frequency: 720 / 720 MHz
CPU Cores: 4 / 4
GPU Cores: 6 / 6 (384 shaders)
So there were defined frequencies for the 45W cTDP published, for A10-7800 though, they didn't publish these numbers. But at least they (the frequencies) can be expected to be a little higher than those of A8-7600. GPU and CPU cores are the same as for 65W config (4 CPU, 8 GPU aka 512 shaders) of course. The nice part is that the GPU doesn't seem to need downclocking though in paractice/average it might run al little slower then in 65W mode.
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Originally posted by molecule-eye View PostYou're thinking of the A8-7600 which is available NOWHERE at the moment. We should see it by the end of the year, meaning it was a total paper release. Sad.
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As i see they have it in hands in Japan and even advertised cTDP of 45W .
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Originally posted by molecule-eye View PostYou're thinking of the A8-7600 which is available NOWHERE at the moment. We should see it by the end of the year, meaning it was a total paper release. Sad.
The AMD A10-7800 APU will be available for purchase in Japan starting today, with worldwide availability at the end of July.
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Originally posted by dungeon View PostIs that new A10-7800 APU on the picture - 65W/45W part? Like lower TDP on that one, 512 shaders with 45W sounds cool .
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Originally posted by chithanh View PostLast I checked, AMD no longer lists Kabini as HSA compatible[1]. So I would avoid buying Kabini for HSA. The Kabini/Temash successors Beema/Mullins however seem to support HSA in some form.
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Originally posted by bridgman View PostYeah, the nice thing is that you don't have to transfer betwen them at all -- the GPU (or DSP etc..) runs in the same demand-paged virtual address space as the CPU so they can share data structures without much in the way of special programming.
This is a bit of a detail but do you know if the HSA patches make extensive use of lockless memory access? I can just imagine much of the memory pool being held by, say, mutexes from the huge numbers of additional threads the GPU introduces😀
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Originally posted by Bucic View PostAs a general rule I disregard less than 3 y.o. technologies that require application developers input. For obvious practical reasons. So I'm interested only in benchmarks using non-HSA enabled software. Or software using lower level components that benefit from HSA >today<.
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